This book provides a summary of the contents of the documentary and published sources for the study of crime held in Irish and British repositories, offers suggestions on how to utilize these materials, and also discusses some of the practical problems and limitations in their use. The main focus is on material in Chief Secretary's Office Registered Papers, Outrage Reports, State of the Country Papers, Crown Files at Assizes, Chief Crown Solicitor's Papers, Crime Branch Special Papers and British Parliamentary Papers.